Case 2: Presented by Alena Skalova, MD Clinical History 35-year-old man presented with a chief complaint of nasal obstruction. Physical examination revealed a glistening mass filling the right posterior choana and the posterior aspect of the right nasal fossa. The patient was admitted to the hospital and intranasal polypectomy was performed. The patient presented with recurrent mass in the nasa...

This study investigated the effect of smiling and of head tilting on person perception. Brazilian undergraduates (N = 322) judged a slide of a male or female stimulus person, smiling or not, and with the head tilted or not. The independent variables were (a) subject's gender, (b) stimulus person's gender; (c) head posture (tilted vs. upright), and (d) facial expression (no smile, closed smile, ...

Bulk dissipation of a sandpile on a square lattice with the periodic boundary condition is investigated through a dissipating probability f during each toppling process. We find that the power-law behavior is broken for f>10(-1) and not evident for 10(-1)}>f>10(-2). In the range 10(-2)>or=f>or=10(-5), numerical simulations for the toppling size exponents of all, dissipative, and last waves have...

Careful examination and monitoring of optic nerve head changes is essential in the treatment of patients with glaucoma. This often results in accumulation of numerous photographs and required appropriate storage space. A simple, inexpensive, and efficient means of storing and viewing stereoscopic optic nerve head photographs is described. Images were acquired with a fundus camera, on a color sl...

A noncontact three-dimensional optical profiler for measuring surface roughness is described. The system consists of a reflection microscope, Mirau interferometer with a reference surface mounted on a piezoelectric transducer, CID detector array, frame grabber, and micro-computer. Interferometric phase-shifting techniques are used to obtain surface height information. The height measurements ar...

The study of toppling on permutations with an extra labeled chip was initiated by the first author D. Hathcock and P. Tetali (arXiv:2010.11236), where added in middle. We extend this to all possible locations $p$ as well values $r$ give a complete characterization which topple identity. Further, we classify are outcomes process generality, call resultant permutations. Resultant turn out be cert...